Daim ntawv thov ntawm qhov kub thiab txias valve hauv thermal zog tsim thiab lwm yam kev lag luam
Qhov kub thiab txias valve yog lub valve uas ua haujlwm nyob rau hauv qhov kub thiab txias, feem ntau yog siv hauv roj av, tshuaj lom neeg kev lag luam, metallurgy, thermal zog tsim thiab lwm yam lag luam. Tshwj xeeb tshaj yog nyob rau hauv lub tshav pob ntawm thermal zog, qhov tseem ceeb ntawm siab ...
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